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Test I: DTC B1681 - Passive Anti-Theft System (PATS) Transceiver Signal Is Not Received (Not Connected, Damaged, Or Wiring)

PINPOINT TEST I: DTC B1681 - PASSIVE ANTI-THEFT SYSTEM (PATS) TRANSCEIVER SIGNAL IS NOT RECEIVED (NOT CONNECTED, DAMAGED, OR WIRING)


I1-I4:






I5-I7:






I7-I9:






I9-I11:






I11-I13:






I13-I14:






Normal Operation
During each key insertion and vehicle start sequence, the instrument cluster and the transceiver module reads the PATS key identification code.

Possible Causes
- circuit CDC34 (WH/OG) open or short to ground
- circuit RRT25 (VT/WH) open or short to voltage
- circuit VRT23 (VT/GY) open or short to ground
- circuit VRT24 (YE/OG) open or short to ground
- PATS transceiver
- instrument cluster